Answer:

hilarity

Answer	Crossword Clue
HILARITY	Gaiety.
HILARITY	Mirth.
HILARITY	Merriment

HILARITY	Mirth
HILARITY	Boisterous fun
HILARITY	Intense mirth

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.